Calculate the osmotic pressure and freezing point
Calculate the osmotic pressure, freezing point and boiling point of seawater, which you can assume is a 1.08 msolution of NaCl(aq). AssumeDHfus = 6.009 kJmol-1 andDHvap = 40.66 kJmol-1.
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A newspaper survey found that 65% of readers found online tutorials useful. If a random sample of 9 readers is selected, compute the standard deviation of the probability distribution.
Given a saturated solution of of calcium carbonate , how many moles of calcium ion will remain in solution after the addition of3.16 * 10^-4 M of Na2CO3 at 25 degrees celsius? (Assume thepH does not change)
Determine the maximum depth of water possible without the wall tipping over. The wall simply rests on the ground without being anchored to it.
A tank with a volume of 0.150 m3 contains 27.0oC helium gas at a pressure of 100atm. How many balloons can be blown up if each filled balloon is a sphere 30.0 cm in diameter at 27oC and absolute pressure of 1.20 atm? Assume all the helium is trans
Calculate the osmotic pressure, freezing point and boiling point of seawater, which you can assume is a 1.08 msolution of NaCl(aq).
A few lightbulbs are connected in parallel to a battery of 15.3 volts. With all the lightbulbs the power output of the battery is 100 Watts. One of the bulbs goes out and the the power output of the battery drops to 61 Watts. What was the resistan
In a case of 36 Dannon Yogurt cups, the average amount of yogurt in each cup is supposed to be 6 ounces with a standard deviation of 1.2 ounces. What is the probability that the sample average for these 36 cups of yogurt is less than 5.5 ounces? R
Calculate the freezing point depression of liquid mercury caused by dissolved sodium if the mole fraction of sodium is0.0477. For Hg(l),
A resistor of 8 ohms, a resistor of 14 ohms, and a resistor of 24 ohms are connected in parallel to an battery of unknown voltage. If the power dissipated by the 14 ohm resistor is 27 Watts, what is the the power produced by the battery in Watts?
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